Files
runelite/runescape-client/src/main/java/Decimator.java
therealunull 8f587826ee chore: rev 193
2020-12-09 11:07:26 -05:00

164 lines
3.5 KiB
Java

import net.runelite.mapping.Export;
import net.runelite.mapping.Implements;
import net.runelite.mapping.ObfuscatedGetter;
import net.runelite.mapping.ObfuscatedName;
import net.runelite.mapping.ObfuscatedSignature;
@ObfuscatedName("dn")
@Implements("Decimator")
public class Decimator {
@ObfuscatedName("ig")
@ObfuscatedGetter(
intValue = -303993957
)
@Export("oculusOrbFocalPointY")
static int oculusOrbFocalPointY;
@ObfuscatedName("w")
@ObfuscatedGetter(
intValue = -1543125857
)
@Export("inputRate")
int inputRate;
@ObfuscatedName("t")
@ObfuscatedGetter(
intValue = 1624874363
)
@Export("outputRate")
int outputRate;
@ObfuscatedName("j")
@Export("table")
int[][] table;
public Decimator(int var1, int var2) {
if (var2 != var1) {
int var4 = var1;
int var5 = var2;
if (var2 > var1) {
var4 = var2;
var5 = var1;
}
while (var5 != 0) {
int var6 = var4 % var5;
var4 = var5;
var5 = var6;
}
var1 /= var4;
var2 /= var4;
this.inputRate = var1;
this.outputRate = var2;
this.table = new int[var1][14];
for (int var7 = 0; var7 < var1; ++var7) {
int[] var8 = this.table[var7];
double var9 = 6.0D + (double)var7 / (double)var1;
int var11 = (int)Math.floor(1.0D + (var9 - 7.0D));
if (var11 < 0) {
var11 = 0;
}
int var12 = (int)Math.ceil(7.0D + var9);
if (var12 > 14) {
var12 = 14;
}
for (double var13 = (double)var2 / (double)var1; var11 < var12; ++var11) {
double var15 = 3.141592653589793D * ((double)var11 - var9);
double var17 = var13;
if (var15 < -1.0E-4D || var15 > 1.0E-4D) {
var17 = var13 * (Math.sin(var15) / var15);
}
var17 *= 0.54D + 0.46D * Math.cos(((double)var11 - var9) * 0.2243994752564138D);
var8[var11] = (int)Math.floor(var17 * 65536.0D + 0.5D);
}
}
}
}
@ObfuscatedName("h")
@ObfuscatedSignature(
descriptor = "([BI)[B",
garbageValue = "-77952931"
)
@Export("resample")
byte[] resample(byte[] var1) {
if (this.table != null) {
int var2 = (int)((long)var1.length * (long)this.outputRate / (long)this.inputRate) + 14;
int[] var3 = new int[var2];
int var4 = 0;
int var5 = 0;
int var6;
for (var6 = 0; var6 < var1.length; ++var6) {
byte var7 = var1[var6];
int[] var8 = this.table[var5];
int var9;
for (var9 = 0; var9 < 14; ++var9) {
var3[var4 + var9] += var8[var9] * var7;
}
var5 += this.outputRate;
var9 = var5 / this.inputRate;
var4 += var9;
var5 -= var9 * this.inputRate;
}
var1 = new byte[var2];
for (var6 = 0; var6 < var2; ++var6) {
int var10 = var3[var6] + 32768 >> 16;
if (var10 < -128) {
var1[var6] = -128;
} else if (var10 > 127) {
var1[var6] = 127;
} else {
var1[var6] = (byte)var10;
}
}
}
return var1;
}
@ObfuscatedName("v")
@ObfuscatedSignature(
descriptor = "(IB)I",
garbageValue = "-4"
)
@Export("scaleRate")
int scaleRate(int var1) {
if (this.table != null) {
var1 = (int)((long)this.outputRate * (long)var1 / (long)this.inputRate);
}
return var1;
}
@ObfuscatedName("x")
@ObfuscatedSignature(
descriptor = "(IB)I",
garbageValue = "-38"
)
@Export("scalePosition")
int scalePosition(int var1) {
if (this.table != null) {
var1 = (int)((long)var1 * (long)this.outputRate / (long)this.inputRate) + 6;
}
return var1;
}
@ObfuscatedName("x")
@ObfuscatedSignature(
descriptor = "(II)Z",
garbageValue = "319524550"
)
public static boolean method2598(int var0) {
return (var0 >> 21 & 1) != 0;
}
}